Moving core business data into the cloud is a big decision, and it is right to ask whether it is safe. Cloud ERP security is one of the first concerns owners and IT leads raise, and it deserves a straight answer rather than reassurance alone. The honest position is this: a well run cloud ERP can be more secure than the mix of local servers, shared drives and spreadsheets it replaces, but only if the provider gets the fundamentals right and your business uses the system sensibly. This guide explains what to look for.
Is cloud ERP secure?
Security is not a property of "cloud" or "on premises" as such. It depends on where the data is hosted, who can access it, how it is protected from loss, and how well everyday habits are managed. A server in a back office cupboard can be very insecure if it is unpatched and backed up to a USB drive. Equally, a cloud system is only as secure as its access controls and the people using it.
What cloud hosting does offer is access to infrastructure that few SMEs could build themselves: professionally managed data centres, physical security, resilient power and networking, and dedicated teams maintaining the underlying platform.
Where your data is hosted
The first question to ask any provider is simply: where does my data live? You want a clear answer naming the hosting platform and the region.
Central ERP is hosted on Microsoft Azure in European data centres. For UK businesses, knowing the region matters for data protection obligations and for answering customers who ask where their information is held. If a provider cannot tell you plainly where your data sits, treat that as a warning sign.
Access control: who can see what
Many data problems in small businesses are not sophisticated attacks. They are the result of too many people having access to too much information. A good ERP should let you limit access to what each person needs for their role.
Central ERP uses role based access control, so permissions can be set by user, role, location and department. In practice that means:
- Shop or branch staff can see stock and sales for their own location without seeing company wide financials
- Payroll and HR information can be restricted to the people who manage it
- Field engineers can see their own jobs without access to pricing or supplier terms
- When someone leaves, removing their access is a single change rather than a hunt through several systems
Whichever system you choose, review permissions regularly. Access tends to grow over time as people change roles, and it rarely shrinks unless someone checks.
The hidden risk of data spread across many apps
One of the biggest security improvements an ERP brings has nothing to do with hosting at all. It is consolidation.
Before adopting an ERP, many SMEs have customer data in one app, stock in a spreadsheet, orders in email, staff details in a shared folder and financial exports on individual laptops. Each of those is a separate place to secure, a separate set of logins and a separate copy of sensitive information. Spreadsheets in particular get emailed, downloaded and forgotten.
Bringing that information into one system with consistent permissions reduces the number of places data can leak from, and makes it far easier to know who has access to what. For IT leads, fewer systems also means fewer integrations to secure and fewer suppliers to assess.
Backups and resilience: questions to ask
Security is not only about keeping people out. It is also about making sure you can keep working if something goes wrong. Before signing up to any cloud ERP, ask the provider:
- How often is my data backed up, and where are backups stored?
- How long are backups kept, and how quickly can data be restored?
- When was a restore last tested, and how?
- What happens if the service is unavailable, and how will I be told?
- Can I export my data if I decide to leave?
Good providers will answer these clearly and in writing. Vague answers are a reason to dig deeper.
Cloud ERP security questions to ask any provider
Beyond hosting and backups, a short checklist helps you compare providers fairly:
- Who supports the system, and where are they based? Knowing who you will speak to when something goes wrong matters as much as the technology.
- How is access controlled? Can permissions be set by role, location and department, rather than simply on or off?
- How are user accounts protected? Ask what login protections are available and how passwords are handled.
- How is data protected in transit and at rest? Ask for a plain English explanation.
- How are updates handled? Find out how and when the platform is patched, and whether you need to do anything.
- What are your responsibilities? Clarify which parts of security the provider manages and which remain with your business, such as staff training and access reviews.
Ask the same questions of every shortlisted supplier, including us, and compare the answers side by side.
Keeping your data secure day to day
Even the best hosted system depends on good habits inside the business. Remove access promptly when staff leave, give people only the permissions they need, avoid shared logins, and discourage exporting data into spreadsheets that end up on personal devices. These steps cost little and close many of the gaps that cause real problems.
If you are an IT lead assessing options, our page on ERP for IT teams explains how Central ERP supports the people who look after systems and access. You are also welcome to book a demo and put your security questions to our UK team directly.